diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 27b03cfc27..0000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,149 +0,0 @@
-env:
-  global:
-    # Used for saving generated test datasets. See Notion for details.
-    - secure=bP5CEyBsybJUx+iBxZ4XKoMPHd2iMdYVhTNNcVSSPUvLLjmLYVDkbH7b4tD9vN+3i/5pCs+m3sfq0iuQHsP8l7D4VsouB+3jt81gw59o8bpVuTpse0jmagoxsw3TvU3Mu/felE3loBz+BbRkpDCnTZHYn0fAd95Xk3es1iex0zs+fmk4ClYg2yzrtVRw972j0/wMWWXs+Phw2dhB9Mx5fHtm9zV6RoMndBWiq3vwdqGTOoBLoILJ0mQbkMA1SuILPQDN2DtCsBIFTRoH9DI+KUyTzPcvrTUZoMTpVa/09Vpb2cZAhzH9S0++bGs1Ib9m8rrnUyaQk/iJRYxEj9DcCvYpO7TypS13E69CfggCdI5EE5TKs1LBr8wkGMp8ajzh3qMEotF+9QMJkeyqqX5roV/kzB5HV2yqzJSD8aAdHxDw4VYfj312884DDanQh/RXeF8sg5+k8KBx6vjZOhONk5/pzvSR1FTS63+KCI1XHP/kWiDpHg215KekmUQg+SxZUFMqZN+8SL609F+TZqQt5s2uK2Gr/hSCUWY/KmeiLc83PGSSYw59E34CcADBysbJ0lueiPzDybOIAB1hcKHIF5pIANzPCocLmK0axGbp90fN85tcgDCY5axEwJ7s8Uw+h4kTi1HhPfap19I/9EMVrpML+vB+kTSNLFuMVV7keP4=
-    - APPLICATION=ops
-
-dist: focal
-os: linux
-language: php
-python:
-  - 3.3 # Required by Javascript linter/builder
-git:
-  # Inhibit automatic submodule checkout
-  submodules: false
-cache:
-  npm: true
-  directories:
-    - $HOME/.composer/cache
-    - $HOME/.cache
-addons:
-  chrome: beta
-  postgresql: "9.5"
-  apt:
-    update: true
-    packages:
-      - libvulkan1
-      - libu2f-udev
-
-before_install:
-  # MariaDB has conflicts with MySQL, given that Travis includes MySQL by default, we have to uninstall it before installing MariaDB
-  - |
-    if [[ "$TEST" == "mariadb" ]]; then
-      sudo apt-get remove --purge mysql-server mysql-client mysql-common mysql-server-core-* mysql-client-core-*
-      sudo apt-get autoremove -y
-      sudo apt-get autoclean
-      sudo rm -rf /var/lib/mysql/
-      sudo rm -rf /etc/mysql/
-      sudo apt-get install mariadb-server mariadb-client
-    fi
-  - if [ -n "$LIBONIG_INSTALL" ]; then sudo apt-get install libonig5; fi
-  - ./tools/startSubmodulesTRAVIS.sh
-  - npm i g -npm
-  - ./lib/pkp/tools/travis/prepare-webserver.sh
-  - ./lib/pkp/tools/travis/install-composer-dependencies.sh
-  - npm install && npm run build
-
-stages:
-  - validate
-  - test
-  - upgrade
-
-jobs:
-  include:
-    - stage: test
-      env: TEST=pgsql SAVE_BUILD=true
-      php: 8.1.0
-    - env: TEST=mariadb SAVE_BUILD=true
-      php: 8.1.0
-    - env: TEST=mysql SAVE_BUILD=true
-      php: 8.1.0
-    - env: TEST=mysql LIBONIG_INSTALL=1
-      php: 8.2.0
-    - env: TEST=pgsql LIBONIG_INSTALL=1
-      php: 8.2.0
-
-    - stage: validate
-      php: 8.1.0
-      name: "Validate and lint"
-      script:
-      - |
-        npm install
-        ./lib/pkp/tools/travis/install-linter.sh
-        ./lib/pkp/tools/travis/validate-xml.sh
-        ./lib/pkp/tools/buildjs.sh -n
-        ./lib/pkp/tools/checkHelp.sh
-        ./lib/pkp/tools/travis/validate-json.sh
-        npm run lint
-
-    - stage: upgrade
-      env: DATASET_BRANCH=stable-3_4_0 TEST=mysql
-      php: 8.1.0
-      script:
-        - source ./lib/pkp/tools/travis/prepare-tests.sh
-        - git clone https://github.com/pkp/datasets
-        - cp -r datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/files/* files/
-        - cp -r datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/public/* public/
-        - cp datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/config.inc.php .
-        - ./datasets/tools/dbclient.sh < datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/database.sql
-        - source ./lib/pkp/tools/travis/migration/v3_4_0/prepare-logs.sh
-        - php tools/upgrade.php check
-        - php tools/upgrade.php upgrade
-
-    - stage: upgrade
-      env: DATASET_BRANCH=stable-3_3_0 TEST=mysql
-      php: 8.1.0
-      script:
-        - source ./lib/pkp/tools/travis/prepare-tests.sh
-        - git clone https://github.com/pkp/datasets
-        - cp -r datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/files/* files/
-        - cp -r datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/public/* public/
-        - cp datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/config.inc.php .
-        - patch -p1 < datasets/upgrade/3_4_0-add-email-config.diff
-        - patch -p1 < datasets/upgrade/3_4_0-update-locale.diff
-        - ./datasets/tools/dbclient.sh < datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/database.sql
-        - source ./lib/pkp/tools/travis/migration/v3_4_0/prepare-logs.sh
-        - php tools/upgrade.php check
-        - php tools/upgrade.php upgrade
-
-    - env: DATASET_BRANCH=stable-3_4_0 TEST=pgsql
-      php: 8.1.0
-      script:
-        - source ./lib/pkp/tools/travis/prepare-tests.sh
-        - git clone https://github.com/pkp/datasets
-        - cp -r datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/files/* files/
-        - cp -r datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/public/* public/
-        - cp datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/config.inc.php .
-        - ./datasets/tools/dbclient.sh < datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/database.sql
-        - source ./lib/pkp/tools/travis/migration/v3_4_0/prepare-logs.sh
-        - php tools/upgrade.php check
-        - php tools/upgrade.php upgrade
-
-    - env: DATASET_BRANCH=stable-3_3_0 TEST=pgsql
-      php: 8.1.0
-      script:
-        - source ./lib/pkp/tools/travis/prepare-tests.sh
-        - git clone https://github.com/pkp/datasets
-        - cp -r datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/files/* files/
-        - cp -r datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/public/* public/
-        - cp datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/config.inc.php .
-        - patch -p1 < datasets/upgrade/3_4_0-add-email-config.diff
-        - patch -p1 < datasets/upgrade/3_4_0-update-locale.diff
-        - ./datasets/tools/dbclient.sh < datasets/${APPLICATION}/${DATASET_BRANCH}/${TEST}/database.sql
-        - source ./lib/pkp/tools/travis/migration/v3_4_0/prepare-logs.sh
-        - php tools/upgrade.php check
-        - php tools/upgrade.php upgrade
-
-script:
-  - source ./lib/pkp/tools/travis/prepare-tests.sh
-  - ./lib/pkp/tools/travis/run-tests.sh
-
-after_failure:
-  - tail -n 500 error.log
-  - sudo apt-get install sharutils
-  # Outputs only the oldest file found at the screenshots folder due to log limits
-  - find cypress/screenshots -type f -printf '%T+\t%p\n' | sort | head -n 1 | cut -f 2 | tar -czT - | uuencode /dev/stdout
-
-after_success:
-  - touch error.log
-  - head -n 500 error.log